<script type="text/javascript">
function MM_validateForm() { //v4.0
  if (document.getElementById){
    var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
    for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=document.getElementById(args[i]);
      if (val) { nm=val.name; if ((val=val.value)!="") {
        if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
          if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
        } else if (test!='R') { num = parseFloat(val);
          if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
          if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
            min=test.substring(8,p); max=test.substring(p+1);
            if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
      } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
    } if (errors) alert('The following error(s) occurred:\n'+errors);
    document.MM_returnValue = (errors == '');
} }
</script>
<br />
<br />
<center><br />
<br />

<div style="border: #3C6 solid 2px; width:400px "><form method="post">
			<p style="color:#3C6; font-size:18px">Đổi Email</p><form method="post">

<table>     
        <tr>
        	<th>Email mới</th>
            <td><input name="email" type="text" id="emmoi"/></th>
        </tr>
        <tr>
        <td></td>
        	<td><textarea style="width:280px">Lưu ý:
            Sau khi bạn đổi Email thì mọi thông tin liên lạc được chuyển qua Email mới</textarea></td>
        </tr>
        <tr>
        <td></td><td>Chấp nhận<input type="checkbox" name="dongy" value="Đồng ý" /></td></tr>
        <tr>
        	<th colspan="2"><input name="doiem" type="submit" style="border-radius: 5px; background-color:#3C6;width:100px; height:30px; color:#FFF" onclick="MM_validateForm('emmoi','','RisEmail');return document.MM_returnValue" value="Đổi"/></th>
        </tr>
</table>
</form></div></center>

